Android Flickering Bug Fix

When the new Activity is launched the screen starts flickering (Two
nearest frames are replacing each other all the time). This fix stops
flickering. More: http://www.cocos2d-x.org/forums/6/topics/34686
Merge pull request #5320 from seagullua/Android_FlickerFix

closed #3987: Screen will be flickering when switching to a new activity.
Update AUTHORS [ci skip]
Update CHANGELOG [ci skip]
#3947 Simulate 'setTimeout' and 'setInterval' in JSB.
Merge pull request #5334 from xingsenma/master

closed #3947 Adds 'setTimeout' and 'setInterval' for JSB.
Update CHANGELOG [ci skip]